*{
	padding: 0;
	margin: 0;
}
table td{ 
	text-align: center;
	border: 1px solid #000;
}
.bg_gray{
	background-color: #ccc;
}
.circle_green{
	display: inline-block;
	width: 10px;
	height: 10px;
	background-color: greenyellow;
	border-radius: 5px;
}
.circle_red{
	display: inline-block;
	width: 10px;
	height: 10px;
	background-color: red;
	border-radius: 5px;
}

